2004 Cadillac Deville: Reliability Data

Source: NHTSA — 210 complaints
210
Total Complaints
68,872mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
17
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

43,000 25th Percentile
68,872 Median Mileage
100,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
45
STEERING
32
AIR BAGS
23
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
20
ENGINE
17
VISIBILITY
8
SERVICE BRAKES
5
UNKNOWN OR OTHER
5
SEATS
3
ENGINE AND ENGINE COOLING:ENGINE
3

Severity Assessment

17
Crashes
5
Fires
19
Injuries
0
Deaths

Sample Complaint Reports

"THE VEHICLE'S EMERGENCY FLASHERS AND TURN SIGNAL LIGHTS CONTINUOUSLY BLEW OUT WITHOUT WARNING. UPON INSPECTION OF THE VEHICLE, THE DEALERSHIP HAS FOUND BARE WIRING IN THE WALL BETWEEN THE MOTOR AND THE DASHBOARD, WHERE THE WIRES HAVE BEEN PULLED THROUGH. THE DEALERSHIP HAS REPLACED THE FLASHER UNIT ..."
"THE VEHICLE'S EMERGENCY FLASHERS AND TURN SIGNAL LIGHTS CONTINUOUSLY BLEW OUT WITHOUT WARNING. UPON INSPECTION OF THE VEHICLE, THE DEALERSHIP HAS FOUND BARE WIRING IN THE WALL BETWEEN THE MOTOR AND THE DASHBOARD, WHERE THE WIRES HAVE BEEN PULLED THROUGH. THE DEALERSHIP HAS REPLACED THE FLASHER UNIT ..."
"WHILE BACKING OUT OF A PARKING SPACE DRIVER APPLIED THE BRAKES AND THE PEDAL WENT TO THE FLOOR. VEHICLE WAS UNABLE TO STOP. DRIVER SHIFTED THE VEHICLE INTO DRIVE AND TURNED THE VEHICLE OFF. THEN, RESTARTED IT, AND DROVE TO THE DEALER. MECHANIC DETERMINED THAT THE MASTER CYLINDER AND OTHER PARTS ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28